This kind of music keychain&sol;talking keychain is the best choice for promotion&period; We can also print your customized logo on the keychain&comma; Press the "REC"button to record your music&comma; and once press the play button it will play your pre-recorded music&comma; with replacement battery&comma; you don't worry about its power off&comma; and we passed CE&RoHS&comma; we are also factory